//
//  VisitorLoginView.swift
//  仿一个新浪微博
//
//  Created by 孙家林 on 15/9/9.
//  Copyright © 2015年 sunjialin. All rights reserved.
//

import UIKit

///设置代理
protocol VisitorLoginViewDelegate:NSObjectProtocol {
    
    /// 将要登录
    func visitorLoginViewWillLogin()
    /// 将要注册
    func visitorLoginViewWillRegister()
    
}

class VisitorLoginView: UIView {

    ///设置视图信息
    func setUpViewInfo(isHome:Bool, imageName:String, message:String){
        
        messageLabel.text = message
        
        iconView.image = UIImage(named: imageName)
        
        homeIconView.hidden = !isHome
        
        isHome ? startAnimation() : sendSubviewToBack(maskIconView)
        
    }
    
    ///开始动画
    private func startAnimation() {
        
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        
        anim.toValue = 2 * M_PI
        
        anim.repeatCount = MAXFLOAT
        
        anim.duration = 20.0
        
        ///为防止切换界面动画会消失，一定要检查退出在进入是动画是否会消失
        anim.removedOnCompletion = false
        
        iconView.layer.addAnimation(anim, forKey: nil)
    }
    
    ///界面初始化
    override init(frame: CGRect) {
        
        super.init(frame: frame)
        
        setUpUI()
    }
    
    required init?(coder aDecoder: NSCoder) {
        
        ///禁止xib或storyboard使用本类
        //        fatalError("init(coder:) has not been implemented")
        
        super.init(coder:aDecoder)
        
        setUpUI()
    }
    
    ///代理一定要用weak
    weak var delegate:VisitorLoginViewDelegate?
    
    ///注册按钮点击事件
    func clickRegister(){
        delegate?.visitorLoginViewWillRegister()
        
    }
    
    ///登录按钮点击事件
    func clickLogin(){
        
        delegate?.visitorLoginViewWillLogin()
    }
    
    ///设置界面
    private func setUpUI() {
        
        addSubview(iconView)
        addSubview(maskIconView)
        addSubview(homeIconView)
        addSubview(messageLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        
        ///自动布局
        
        ///图标
        iconView.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterY, multiplier: 1.0, constant: -40))
        
        ///小房子
        homeIconView.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: homeIconView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: homeIconView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterY, multiplier: 1.0, constant: 0))
        
        ///消息文字
        messageLabel.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.Bottom, multiplier: 1.0, constant: 16))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem:nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 224))
        
        ///注册按钮
        registerButton.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Left, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Left, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1.0, constant: 16))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 100))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 35))
        
        ///登录按钮
        loginButton.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Right, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Right, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1.0, constant: 16))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 100))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 35))
        
        ///遮罩视图
        maskIconView.translatesAutoresizingMaskIntoConstraints = false
        addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|-0-[subview]-0-|", options: NSLayoutFormatOptions(rawValue: 0), metrics: nil, views: ["subview":maskIconView]))
        addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|-0-[subview]-(-35)-[regButton]", options: NSLayoutFormatOptions(rawValue: 0), metrics: nil, views: ["subview": maskIconView, "regButton": registerButton]))
        
        backgroundColor = UIColor(white: 237.0 / 255.0, alpha: 1.0)
    }
    
    ///懒加载
    
    ///图标
    private lazy var iconView:UIImageView = {
        
        let imageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
        
        return imageView
        }()
    
    ///遮罩视图
    private lazy var maskIconView:UIImageView = {
        
        let imageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
        
        return imageView
        }()
    
    ///小房子
    private lazy var homeIconView:UIImageView = {
        
        let imageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
        
        return imageView
        }()
    
    ///消息文字
    private lazy var messageLabel:UILabel = {
        
        let label = UILabel()
        
        label.text = "关注一些人，回这里看看有什么惊喜"
        
        label.textColor = UIColor.darkGrayColor()
        
        label.font = UIFont.systemFontOfSize(14)
        
        label.numberOfLines = 0
        
        label.sizeToFit()
        
        return label
        }()
    
    ///注册按钮
    private lazy var registerButton:UIButton = {
        
        let btn = UIButton()
        
        btn.setTitle("注册", forState: UIControlState.Normal)
        
        btn.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        
        btn.setTitleColor(UIColor.orangeColor(), forState: UIControlState.Normal)
        
        btn.addTarget(self, action: "clickRegister", forControlEvents: UIControlEvents.TouchUpInside)
        
        return btn
        }()
    
    ///登录按钮
    private lazy var loginButton:UIButton = {
        
        let btn = UIButton()
        
        btn.setTitle("登录", forState: UIControlState.Normal)
        
        btn.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        
        btn.setTitleColor(UIColor.darkGrayColor(), forState: UIControlState.Normal)
        
        btn.addTarget(self, action: "clickLogin", forControlEvents: UIControlEvents.TouchUpInside)
        
        return btn
        }()


}
